如题所述
三点四乘七乘一点五
=3.4x1.5×7。
=(3.4+1.7)x7
=5.1x7
=35.7
=3.4x1.5×7。
=(3.4+1.7)x7
=5.1x7
=35.7
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第1个回答 2022-09-26
3.4x7x1.5
=3.4x(7x1.5)
=3.4x10.5
=3.4x(10+0.5)
=3.4x10+3.4x0.5
=34+1.7
=35.7
=3.4x(7x1.5)
=3.4x10.5
=3.4x(10+0.5)
=3.4x10+3.4x0.5
=34+1.7
=35.7
第2个回答 2022-09-30
三点四乘七乘一点五
=3.4x1.5×7。
=(3.4+1.7)x7
=5.1x7
=35.7
=3.4x1.5×7。
=(3.4+1.7)x7
=5.1x7
=35.7
第3个回答 2022-09-26
3.4×7×1.5
=(17/5)×7×(3/2)
=(17×7×3)/(5×2)
=[(17×3)×7]/10
=(51×7)/10
=357/10
=(17/5)×7×(3/2)
=(17×7×3)/(5×2)
=[(17×3)×7]/10
=(51×7)/10
=357/10
第4个回答 2022-10-07
3.4x7x1.5=3.4x10.5=35.7