如题所述
解:572乘98等于( 56056 )
∵已知需求出572乘98等于多少
A × (B - C)= A × B - A × C
∴572乘98
= 572 × (100 - 2)
= 100 × 572 - 2 × 572
= 57200 - 1144
= 56056
答:572乘98等于56056
∵已知需求出572乘98等于多少
A × (B - C)= A × B - A × C
∴572乘98
= 572 × (100 - 2)
= 100 × 572 - 2 × 572
= 57200 - 1144
= 56056
答:572乘98等于56056
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第1个回答 2020-01-04
98×572
=(100-2)×572
=100×572-2×572
=57200-1144
=56056
=(100-2)×572
=100×572-2×572
=57200-1144
=56056
第2个回答 2020-01-04
572×98
=572×(100-2)
=572×100-572×2
=57200-1144
=56066
=572×(100-2)
=572×100-572×2
=57200-1144
=56066
第3个回答 2020-01-04
572*100-572*2=57200-1144=56056