题目内容
| 9.43-(1.74+1.43) | 25×12.5×0.32 | 0.74×3.25+0.74×6.75 | ||||
| 1026-1704÷71 | 8÷
| 9÷〔(2.75-1.25)×0.5〕 |
(1)9.43-(1.74+1.43)
=9.43-1.74-1.43
=9.43-1.43-1.74
=6.26;
(2)25×12.5×0.32
=25×12.5×0.4×0.8
=(25×0.4)×(12.5×0.8)
=10×10
=100;
(3)0.74×3.25+0.74×6.75
=0.74×(3.25+6.75)
=0.74×10
=7.4;
(4)1026-1704÷71
=1026-24
=1002;
(5)8÷
÷(2-
)
=8÷
÷
=8×
×
=6
;
(6)9÷〔(2.75-1.25)×0.5〕
=9÷〔1.5×0.5〕
=9÷0.75
=12.
=9.43-1.74-1.43
=9.43-1.43-1.74
=6.26;
(2)25×12.5×0.32
=25×12.5×0.4×0.8
=(25×0.4)×(12.5×0.8)
=10×10
=100;
(3)0.74×3.25+0.74×6.75
=0.74×(3.25+6.75)
=0.74×10
=7.4;
(4)1026-1704÷71
=1026-24
=1002;
(5)8÷
| 6 |
| 7 |
| 3 |
| 5 |
=8÷
| 6 |
| 7 |
| 7 |
| 5 |
=8×
| 7 |
| 6 |
| 5 |
| 7 |
=6
| 2 |
| 3 |
(6)9÷〔(2.75-1.25)×0.5〕
=9÷〔1.5×0.5〕
=9÷0.75
=12.
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