
脱式计算(能简算的要简算) 0.75×4×0.25 50+10×99 16÷8-
脱式计算(能简算的要简算)0.75×4×0.2550+10×9916÷8-0.724.536÷0.8÷143×3.6+1.4×106.3×11....
脱式计算(能简算的要简算) 0.75×4×0.25 50+10×99 16÷8-0.72 4.536÷0.8÷14 3×3.6+1.4×10 6.3×11.
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(1)0.75×4×0.25, =0.75×(4×0.25), =0.75×1, =0.75; (2)50+10×99, =50+990, =1040; (3)16÷8-0.72, =2-0.72, =1.23; (4)4.536÷0.8÷14, =5.67÷14, =0.405; (5)3×3.6+1.4×10, =10.8+14, =24.8; (6)6.3×11, =6.3×(10+1), =6.3×10+6.3×1, =63+6.3, =69.3. |
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