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1.45+32+542.546+785-1463.25x49x44.8x(36x125)5.0.7+3.9+4.3+6.16.8x4x12.5x0.257.2.7x4.8+2.7x5.28.905x9
题目内容:
1.45+32+54 2.546+785-146 3.25x49x4 4.8x(36x125) 5.0.7+3.9+4.3+6.1
6.8x4x12.5x0.25 7.2.7x4.8+2.7x5.2 8.905x99+905 9.13x10.2
列式计算哦,能简算要简算·优质解答
1.45+32+54=(45+54+1)+31=100+31=1312.546+785-146 =(546-146)+785=400+785=11853.25x49x4=25×4×49=100×49=49004.8x(36x125)=8×125×36=1000×36=360005.0.7+3.9+4.3+6.1 =(0.7+4.3)+(3.9+6.1)=5+10=156.8...
6.8x4x12.5x0.25 7.2.7x4.8+2.7x5.2 8.905x99+905 9.13x10.2
列式计算哦,能简算要简算·
优质解答
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