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计算:①(-16.8)÷(-3);②(−54)÷(−45);③(+513)÷(−313);④(+1.25)÷(−0.5)÷(−58);⑤-18÷(+3.25)÷(−214).
题目详情
计算:①(-16.8)÷(-3);
②(−
)÷(−
);
③(+5
) ÷(−3
);
④(+1.25)÷(−0.5)÷(−
);
⑤-18÷(+3.25)÷(−2
).
(−
)÷(−
);
③(+5
) ÷(−3
);
④(+1.25)÷(−0.5)÷(−
);
⑤-18÷(+3.25)÷(−2
).
5 5 4 4
4 4 5 5
(+5
) ÷(−3
);
④(+1.25)÷(−0.5)÷(−
);
⑤-18÷(+3.25)÷(−2
).
1 1 3 3
1 1 3 3
(+1.25)÷(−0.5)÷(−
);
⑤-18÷(+3.25)÷(−2
).
5 5 8 8
(−2
).
1 1 4 4
②(−
5 |
4 |
4 |
5 |
③(+5
1 |
3 |
1 |
3 |
④(+1.25)÷(−0.5)÷(−
5 |
8 |
⑤-18÷(+3.25)÷(−2
1 |
4 |
(−
5 |
4 |
4 |
5 |
③(+5
1 |
3 |
1 |
3 |
④(+1.25)÷(−0.5)÷(−
5 |
8 |
⑤-18÷(+3.25)÷(−2
1 |
4 |
5 |
4 |
4 |
5 |
(+5
1 |
3 |
1 |
3 |
④(+1.25)÷(−0.5)÷(−
5 |
8 |
⑤-18÷(+3.25)÷(−2
1 |
4 |
1 |
3 |
1 |
3 |
(+1.25)÷(−0.5)÷(−
5 |
8 |
⑤-18÷(+3.25)÷(−2
1 |
4 |
5 |
8 |
(−2
1 |
4 |
1 |
4 |
▼优质解答
答案和解析
①原式=16.8÷3,
=16.8×
,
=5.6;
②原式=
÷
,
=
×
,
=
;
③原式=-
÷
,
=-
×
,
=−
;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
1 1 13 3 3,
=5.6;
②原式=
÷
,
=
×
,
=
;
③原式=-
÷
,
=-
×
,
=−
;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
5 5 54 4 4÷
4 4 45 5 5,
=
×
,
=
;
③原式=-
÷
,
=-
×
,
=−
;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
5 5 54 4 4×
5 5 54 4 4,
=
;
③原式=-
÷
,
=-
×
,
=−
;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
25 25 2516 16 16;
③原式=-
÷
,
=-
×
,
=−
;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
16 16 163 3 3÷
10 10 103 3 3,
=-
×
,
=−
;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
16 16 163 3 3×
3 3 310 10 10,
=−
;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
. −
8 8 85 5 5;
④原式=1.25÷0.5÷
,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
5 5 58 8 8,
=
×2×
,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
5 5 54 4 4×2×
8 8 85 5 5,
=4;
⑤原式=18÷3.25÷2
,
=18×
×
,
=
.
1 1 14 4 4,
=18×
×
,
=
.
4 4 413 13 13×
,
=
.
4 4 49 9 9,
=
.
32 32 3213 13 13.
=16.8×
1 |
3 |
=5.6;
②原式=
5 |
4 |
4 |
5 |
=
5 |
4 |
5 |
4 |
=
25 |
16 |
③原式=-
16 |
3 |
10 |
3 |
=-
16 |
3 |
3 |
10 |
=−
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
1 |
3 |
=5.6;
②原式=
5 |
4 |
4 |
5 |
=
5 |
4 |
5 |
4 |
=
25 |
16 |
③原式=-
16 |
3 |
10 |
3 |
=-
16 |
3 |
3 |
10 |
=−
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
5 |
4 |
4 |
5 |
=
5 |
4 |
5 |
4 |
=
25 |
16 |
③原式=-
16 |
3 |
10 |
3 |
=-
16 |
3 |
3 |
10 |
=−
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
5 |
4 |
5 |
4 |
=
25 |
16 |
③原式=-
16 |
3 |
10 |
3 |
=-
16 |
3 |
3 |
10 |
=−
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
25 |
16 |
③原式=-
16 |
3 |
10 |
3 |
=-
16 |
3 |
3 |
10 |
=−
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
16 |
3 |
10 |
3 |
=-
16 |
3 |
3 |
10 |
=−
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
16 |
3 |
3 |
10 |
=−
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
8 |
5 |
④原式=1.25÷0.5÷
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
5 |
8 |
=
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
5 |
4 |
8 |
5 |
=4;
⑤原式=18÷3.25÷2
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
1 |
4 |
=18×
4 |
13 |
4 |
9 |
=
32 |
13 |
4 |
13 |
4 |
9 |
=
32 |
13 |
4 |
9 |
=
32 |
13 |
32 |
13 |
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