神机妙算细又巧24×( 1 4 + 1 8 + 1 6 ) 9.56-4.875+12.5%+1.44
神机妙算细又巧24×(14+18+16)9.56-4.875+12.5%+1.44512×0.86+14%÷778×9+18×9....
神机妙算细又巧24×( 1 4 + 1 8 + 1 6 ) 9.56-4.875+12.5%+1.44 5 12 ×0.86+14%÷7 7 8 ×9+ 1 8 ×9.
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(1)24×(
=24×
=6+3+4, =13; (2)9.56-4.875+12.5%+1.44, =(9.56+1.44)-(4.875-12.5%), =11-4.75, =6.25; (3)
=
=
=
(4)洞碰
=(
=1×9,穗返 =9. |
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