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口算70×2=3×300=200×8=850-660=80+240=7×90=57-27=23×7=860-300=21×9=20×4=400×8=43÷6=23×6=256-97=7×7+6=62+36=28+3=51-11=17÷2=40×5=42×3=44×2=78-48=36÷5=16×4=870-530=470+65=13×4=68+27=4×500=0×58=900×6=57-35=12+12=206×5=530×3=302+5
题目详情
口算
口算
70×2= 3×300= 200×8= 850-660= 80+240= 7×90=
-
=23×7= 860-300= 21×9= 20×4= 400×8= 43÷6= 23×6= 256-97= 7×7+6= 62+36= 28+3= 51-11= 17÷2= 40×5= 42×3= 44×2=
-
=36÷5= 16×4= 870-530= 470+65= 13×4= 68+27= 4×500= 0×58= 900×6= 57-35=
+
=206×5= 530×3= 302+56= 22×6= 40×9= 25×6= 801×9= 0×8+5= 11×3= 9×5-13= 130×6= 26÷4= 1-
+
= 25+82= 78×3= 35+55= 81-33= 35×3= 240+109=
+
=200×5= 7×3+9= 36÷7= 260-80= 1-
= 70×2= 3×300= 200×8= 850-660= 70×2= 3×300= 200×8= 850-660= 80+240= 7×90=
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=23×7= 80+240= 7×90=
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=
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5 7 5 5 7 7
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2 7 2 2 7 7 23×7= 860-300= 21×9= 20×4= 400×8= 860-300= 21×9= 20×4= 400×8= 43÷6= 23×6= 256-97= 7×7+6= 43÷6= 23×6= 256-97= 7×7+6= 62+36= 28+3= 51-11= 17÷2= 62+36= 28+3= 51-11= 17÷2= 40×5= 42×3= 44×2=
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=40×5= 42×3= 44×2=
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=
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7 8 7 7 8 8
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4 8 4 4 8 8 36÷5= 16×4= 870-530= 470+65= 36÷5= 16×4= 870-530= 470+65= 13×4= 68+27= 4×500= 0×58= 13×4= 68+27= 4×500= 0×58= 900×6= 57-35=
+
=206×5= 900×6= 57-35=
+
=
+
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1 2 1 1 2 2
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1 2 1 1 2 2 206×5= 530×3= 302+56= 22×6= 40×9= 530×3= 302+56= 22×6= 40×9= 25×6= 801×9= 0×8+5= 11×3= 25×6= 801×9= 0×8+5= 11×3= 9×5-13= 130×6= 26÷4= 1-
+
= 9×5-13= 130×6= 26÷4= 1-
+
=
+
=
3 4 3 3 4 4
=
1 4 1 1 4 4 25+82= 78×3= 35+55= 81-33= 25+82= 78×3= 35+55= 81-33= 35×3= 240+109=
+
=200×5= 35×3= 240+109=
+
=
+
=
3 9 3 3 9 9
=
2 9 2 2 9 9 200×5= 7×3+9= 36÷7= 260-80= 1-
= 7×3+9= 36÷7= 260-80= 1-
=
=
2 3 2 2 3 3
| 70×2= | 3×300= | 200×8= | 850-660= | ||||
| 80+240= | 7×90= |
| 23×7= | ||||
| 860-300= | 21×9= | 20×4= | 400×8= | ||||
| 43÷6= | 23×6= | 256-97= | 7×7+6= | ||||
| 62+36= | 28+3= | 51-11= | 17÷2= | ||||
| 40×5= | 42×3= | 44×2= |
| ||||
| 36÷5= | 16×4= | 870-530= | 470+65= | ||||
| 13×4= | 68+27= | 4×500= | 0×58= | ||||
| 900×6= | 57-35= |
| 206×5= | ||||
| 530×3= | 302+56= | 22×6= | 40×9= | ||||
| 25×6= | 801×9= | 0×8+5= | 11×3= | ||||
| 9×5-13= | 130×6= | 26÷4= | 1-
| ||||
| 25+82= | 78×3= | 35+55= | 81-33= | ||||
| 35×3= | 240+109= |
| 200×5= | ||||
| 7×3+9= | 36÷7= | 260-80= | 1-
|
| 70×2= | 3×300= | 200×8= | 850-660= | ||||
| 80+240= | 7×90= |
| 23×7= | ||||
| 860-300= | 21×9= | 20×4= | 400×8= | ||||
| 43÷6= | 23×6= | 256-97= | 7×7+6= | ||||
| 62+36= | 28+3= | 51-11= | 17÷2= | ||||
| 40×5= | 42×3= | 44×2= |
| ||||
| 36÷5= | 16×4= | 870-530= | 470+65= | ||||
| 13×4= | 68+27= | 4×500= | 0×58= | ||||
| 900×6= | 57-35= |
| 206×5= | ||||
| 530×3= | 302+56= | 22×6= | 40×9= | ||||
| 25×6= | 801×9= | 0×8+5= | 11×3= | ||||
| 9×5-13= | 130×6= | 26÷4= | 1-
| ||||
| 25+82= | 78×3= | 35+55= | 81-33= | ||||
| 35×3= | 240+109= |
| 200×5= | ||||
| 7×3+9= | 36÷7= | 260-80= | 1-
|
| 70×2= | 3×300= | 200×8= | 850-660= | ||||
| 80+240= | 7×90= |
| 23×7= | ||||
| 860-300= | 21×9= | 20×4= | 400×8= | ||||
| 43÷6= | 23×6= | 256-97= | 7×7+6= | ||||
| 62+36= | 28+3= | 51-11= | 17÷2= | ||||
| 40×5= | 42×3= | 44×2= |
| ||||
| 36÷5= | 16×4= | 870-530= | 470+65= | ||||
| 13×4= | 68+27= | 4×500= | 0×58= | ||||
| 900×6= | 57-35= |
| 206×5= | ||||
| 530×3= | 302+56= | 22×6= | 40×9= | ||||
| 25×6= | 801×9= | 0×8+5= | 11×3= | ||||
| 9×5-13= | 130×6= | 26÷4= | 1-
| ||||
| 25+82= | 78×3= | 35+55= | 81-33= | ||||
| 35×3= | 240+109= |
| 200×5= | ||||
| 7×3+9= | 36÷7= | 260-80= | 1-
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▼优质解答
答案和解析
70×2=1403×300=900200×8=1600850-660=19080+240=3207×90=63057-27=3723×7=161860-300=56021×9=18920×4=80400×8=320043÷6=7…123×6=138256-97=1597×7+6=5462+36=9828+3=3151-11=4017÷2=8…140×5=20042×...
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